CN1243955C - 对漏磁通敏感性较小的磁传感单元 - Google Patents

对漏磁通敏感性较小的磁传感单元 Download PDF

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Publication number
CN1243955C
CN1243955C CNB031489036A CN03148903A CN1243955C CN 1243955 C CN1243955 C CN 1243955C CN B031489036 A CNB031489036 A CN B031489036A CN 03148903 A CN03148903 A CN 03148903A CN 1243955 C CN1243955 C CN 1243955C
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China
Prior art keywords
magnetic
magnet
magnetic flux
sniffer
motor
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Expired - Fee Related
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CNB031489036A
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English (en)
Chinese (zh)
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CN1469105A (zh
Inventor
德永政男
武田宪司
神谷知充
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Denso Corp
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Denso Corp
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Publication of CN1469105A publication Critical patent/CN1469105A/zh
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Publication of CN1243955C publication Critical patent/CN1243955C/zh
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
    • G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
    • G01D2205/77—Specific profiles

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
CNB031489036A 2002-06-26 2003-06-24 对漏磁通敏感性较小的磁传感单元 Expired - Fee Related CN1243955C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP186017/2002 2002-06-26
JP2002186017A JP4169536B2 (ja) 2002-06-26 2002-06-26 アクチュエータ

Publications (2)

Publication Number Publication Date
CN1469105A CN1469105A (zh) 2004-01-21
CN1243955C true CN1243955C (zh) 2006-03-01

Family

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Family Applications (1)

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CNB031489036A Expired - Fee Related CN1243955C (zh) 2002-06-26 2003-06-24 对漏磁通敏感性较小的磁传感单元

Country Status (4)

Country Link
US (1) US7019516B2 (ja)
JP (1) JP4169536B2 (ja)
CN (1) CN1243955C (ja)
DE (1) DE10328616A1 (ja)

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US7425829B2 (en) 2003-10-14 2008-09-16 Merlin Technology, Inc. Tracking positions of personnel, vehicles, and inanimate objects
US8711089B2 (en) * 2004-11-29 2014-04-29 Fujitsu Component Limited Position detection device, pointing device and input device
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ES2294939B1 (es) 2006-08-18 2009-02-16 Sergio Juarros Nebreda Procedimiento de fabricacion de cebos naturales para pesca industrial y deportiva.
WO2008050581A1 (fr) * 2006-10-26 2008-05-02 The Furukawa Electric Co., Ltd. Détecteur d'angle de rotation
JP4775243B2 (ja) * 2006-12-07 2011-09-21 株式会社デンソー 可変吸入空気制御装置の異常判定方法
JP2010513800A (ja) * 2006-12-13 2010-04-30 ストーンリッジ・コントロール・デバイスィズ・インコーポレーテッド シリンダ位置センサおよびそれを組み込むシリンダ
JP4832358B2 (ja) * 2007-05-16 2011-12-07 アルプス電気株式会社 位置検知装置
JP4442653B2 (ja) 2007-07-06 2010-03-31 株式会社デンソー 内燃機関の吸気制御装置
WO2009143190A1 (en) * 2008-05-19 2009-11-26 Stoneridge Control Devices, Inc. Cylinder position sensor and cylinder incorporating the same
DE102009054184A1 (de) * 2009-11-23 2011-05-26 Mahle International Gmbh Klappenvorrichtung und Sauganlage
DE102010055046A1 (de) * 2010-12-17 2012-06-21 Continental Automotive Gmbh Ventil
JP5725007B2 (ja) * 2012-12-27 2015-05-27 株式会社デンソー 位置検出装置
JP5757285B2 (ja) * 2012-12-27 2015-07-29 株式会社デンソー 位置検出装置
US10495699B2 (en) 2013-07-19 2019-12-03 Allegro Microsystems, Llc Methods and apparatus for magnetic sensor having an integrated coil or magnet to detect a non-ferromagnetic target
US9823092B2 (en) 2014-10-31 2017-11-21 Allegro Microsystems, Llc Magnetic field sensor providing a movement detector
JP6173617B2 (ja) * 2014-11-25 2017-08-02 三菱電機株式会社 回転角度検出装置
US9879775B2 (en) * 2015-11-13 2018-01-30 Sl Corporation Shifting lever assembly
US11874140B2 (en) * 2016-02-17 2024-01-16 Infineon Technologies Ag Tapered magnet
JP6278050B2 (ja) * 2016-03-11 2018-02-14 Tdk株式会社 回転角度検出装置及び回転機械装置
JP2017178060A (ja) * 2016-03-30 2017-10-05 アルプス電気株式会社 シフト装置
US10641842B2 (en) 2017-05-26 2020-05-05 Allegro Microsystems, Llc Targets for coil actuated position sensors
US10816363B2 (en) 2018-02-27 2020-10-27 Nxp B.V. Angular sensor system and method of stray field cancellation
US10670425B2 (en) 2018-03-30 2020-06-02 Nxp B.V. System for measuring angular position and method of stray field cancellation
US11486742B2 (en) 2019-08-16 2022-11-01 Nxp B.V. System with magnetic field shield structure

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US4311933A (en) * 1979-08-27 1982-01-19 North American Philips Corporation Brushless direct current motor
JPS59223026A (ja) * 1983-05-31 1984-12-14 Matsushita Electric Works Ltd 磁気近接スイツチ
JP3206204B2 (ja) * 1992-05-22 2001-09-10 株式会社デンソー スロットルポジションセンサ
US5303012A (en) * 1993-02-10 1994-04-12 Honeywell Inc. Single magnet latch valve with position indicator
US5444369A (en) * 1993-02-18 1995-08-22 Kearney-National, Inc. Magnetic rotational position sensor with improved output linearity
US5781005A (en) * 1995-06-07 1998-07-14 Allegro Microsystems, Inc. Hall-effect ferromagnetic-article-proximity sensor
JP3264151B2 (ja) * 1995-09-04 2002-03-11 日産自動車株式会社 角度センサ
JP2000088600A (ja) 1998-09-11 2000-03-31 Toshiba Corp アクチュエータ及び移動位置検出方法
JP3632038B2 (ja) * 1998-09-19 2005-03-23 株式会社日立製作所 回動角検出装置
US6124710A (en) * 1998-11-13 2000-09-26 Cts Corporation Rotary magnetic encoder using hall effect for detecting revolution of a shaft
JP3757118B2 (ja) * 2001-01-10 2006-03-22 株式会社日立製作所 非接触式回転位置センサ及び非接触式回転位置センサを有する絞弁組立体
JP2002303535A (ja) * 2001-04-03 2002-10-18 Mikuni Corp 磁気式位置センサ

Also Published As

Publication number Publication date
DE10328616A1 (de) 2004-02-05
US7019516B2 (en) 2006-03-28
JP4169536B2 (ja) 2008-10-22
JP2004028809A (ja) 2004-01-29
CN1469105A (zh) 2004-01-21
US20040000902A1 (en) 2004-01-01

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